Exam 14: Water Quality

The "river that burned" was the

The coastal zones of the earth's oceans are

Primary sewage treatment is focused on

Rapid eutrophication of a lake or stream, due to addition of nutrients produced by humans, is called

Of the ions found in water, the most persistent ones are

Tertiary sewage treatment is primarily focused on

Aerobes are forms of life which

In a decomposition zone of water,

Salinity (sodium chloride content) of inland natural freshwater supplies is

From a global perspective, the largest contamination of surface waters is due to

Discharge of one or more water pollutants from a specific location is known as a